Takashi Hirosure

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Tochigi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device including multiple insulating films
- Patent number 8,643,021
- Issue date Feb 4, 2014
- Semiconductor Energy Laboratory Co., Ltd.
- Shunpei Yamazaki
- G02 - OPTICS
Information Patent Grant
Semiconductor device including multiple insulating films
- Patent number 8,525,183
- Issue date Sep 3, 2013
- Semiconductor Energy Laboratory Co., Ltd.
- Shunpei Yamazaki